function Test(name, age) {
  this.name = name this.age = age
}
Test.prototype.say = function () { console.log('我能说话') }
var obj3 = new Test('Jack', 26)
var obj4 = new Test('Rose', 24)
1, Test.prototype === ( ) ?
  2, obj3.__proto__.__proto__ === ( ) ?
    3, obj3.__proto__ === obj4.__proto__ ?
    4, Test.prototype.__proto__ === ( ) ?
    5, obj4.__proto__.constructor === ( ) ?
    6, Object.prototype.__proto__ === ( ) ?
    7, obj3.say === obj4.say ?